36989663 has 4 divisors (see below), whose sum is σ = 37055928. Its totient is φ = 36923400.

The previous prime is 36989657. The next prime is 36989699. The reversal of 36989663 is 36698963.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36989663 - 2⁴ = 36989647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36980663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32288 + ... + 33413.

It is an arithmetic number, because the mean of its divisors is an integer number (9263982).

Almost surely, 2^36989663 is an apocalyptic number.

36989663 is a deficient number, since it is larger than the sum of its proper divisors (66265).

36989663 is an equidigital number, since it uses as much as digits as its factorization.

36989663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66264.

The product of its digits is 1259712, while the sum is 50.

The square root of 36989663 is about 6081.9127747774. The cubic root of 36989663 is about 333.1911505830.

The spelling of 36989663 in words is "thirty-six million, nine hundred eighty-nine thousand, six hundred sixty-three".